package task13;

/**
 * Create by IntelliJ IDEA
 *
 * @author: jsonor
 * @date-Time: 2018/4/13 8:44
 * @description:
 */
public class Circle extends Shape {
  double r;
  public Circle(){
  }
  public Circle(double r){
    this.r=r;
  }

  @Override
  public double area() {
    return r*r*3.14;
  }

  @Override
  public String getName() {
    return "圆形";
  }

 // @Override
  //public void output() {
  //  System.out.println(getName()+"面积是："+area());
  //}
}
